Xcheck:jni overly strict in JNI method IsSameObject Java->JS crashes IE with JPI 1.4.0_02/ NPE with 1.4.1ġ.4 REGRESSION: Highlighting Color Behavior has changed Java apps crash on Solaris 9 Ultra-80 machine by using 1.4.1Įscape key does not fire a KEY_TYPED event on Solaris Test b4322869 hangs up on ServerVM in -Xcomp mode Infinite loop in Win32GraphicsEnv.initDisplay() when NetSupport is running In most cases, the bug ID number in each description below is a link to the full, detailed bug report on the Java Developer Connection's Bug Parade web site.īug Parade also enables you to file your own bug reports, add comments to existing bug reports, and vote for the bugs you consider most important. This document contains summary descriptions of the bug fixes included in this current update release version. To determine the version of your JDK software, use the following command: The official version number for update release 1.4.1_07 is 1.4.1_07-b02. Note that bug fixes in previous update versions are also included in the current update versions. Update releases are bug fix releases and as such are not intended to add to or delete functionality in the original 1.4.1 release. #include "HelloJNI.This document summarizes changes made in the most current update release and contains links to prior update release information and to the original 1.4.1 release notes. Step 3: Implementing the C Program HelloJNI.c C and C++ have different function naming protocols as C++ support function overloading and uses a name mangling scheme to differentiate the overloaded functions. It notifies the C++ compiler that these functions are to be compiled using C's function naming protocol instead of C++ naming protocol. The extern "C" is recognized by C++ compiler only. Ignore the macros JNIEXPORT and JNICALL for the time being. We are not using these arguments in this hello-world example, but will be using them later. jobject: reference to " this" Java object.JNIEnv*: reference to JNI environment, which lets you access all the JNI functions.
The dot in package name is replaced by underscore. Getting Started JNI with C Step 1: Write a Java Class HelloJNI.java that uses C Codes (For Windows) Cygwin or MinGW (Read " How to Setup Cygwin and MinGW").C/C++ and the GCC Compiler (Read " GCC and Make").I shall assume that you are familiar with: JNI is difficult, as it involves two languages and runtimes. Java supports native codes via the Java Native Interface (JNI). At times, it is necessary to use native (non-Java) codes (e.g., C/C++) to overcome the memory management and performance constraints in Java.
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